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Access to over 1500+ browsers across 55 different operating systems and mobile devices. Don’t worry about accurate rendering — these are REAL browsers and REAL, physical mobile devices, not emulators. Your customers are using these so we make it easy to test for them.

Automated Screenshots

Verify the layout of your site across all browsers, operating systems, and devices. In just a few seconds, run a test to check the layout and rendering of your site across 10, 20, 40, or more browsers.

Screenshot Comparisons

Using our Comparison tool, you can get a summary of rendering differences between browsers, as well as visually compare screenshot images side-by-side for more effectively catching and debugging layout issues.

Selenium Testing

Browser automation taken to the next level. Write scripts in Python, Java, Ruby, C#, and more to automate and integrate testing into your workflow. Our starter scripts make it easy to get going and making great websites or apps.